Tutorial/Reference: DSM 6.x Loaders and PlatformsplatformTutorial/Reference: DSM 6.x Loaders and PlatformsplatformTutorial/Reference: DSM 6.x Loaders and PlatformsplatformTutorial/Reference: DSM 6.x Loaders and Platformsplatform
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Tutorial/Reference: DSM 6.x Loaders and Platformsplatform

发表 admin at 2021年11月9日
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  • NAS
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https://xpenology.com/forum/topic/13333-tutorialreference-6x-loaders-and-platforms/#comments

When setting up an XPEnology system, you must first select a DSM platform and version. XPEnology supports a few specific DSM platforms that enable certain hardware and software features. All support a minimum of 4 CPU cores, 64GB of RAM, 10Gbe network cards and 12-disk arrays. When you choose a platform and the desired DSM software version, you must download the correct corresponding loader. That may not be the "newest" loader available.

Each of these combinations can be run "baremetal" as a stand-alone operating system OR as a virtual machine within a hypervisor (VMWare ESXi is most popular and best documented, but other hypervisors can be used if desired). See the decision tree below to understand why you might choose one or the other.

6.x Loaders and Platforms as of 29-Dec-2020

 Options
Ranked
 DSMPlatform  DSM Version Jun's
Loader
  Boot Methods***Hardware
Transcode
Support
NVMeCacheSupport RAIDF1Support Oldest CPUSupported Max CPUThreads  Notes
1,3aDS918+6.2.0 to
6.2.3-25426
1.04bUEFI, BIOS/CSMYesYesNoHaswell **86.2.0, 6.2.3 ok, 6.2.1/6.2.2 notrecommended for new installs*
2,3bDS3617xs6.2.0 to
6.2.3-25426
1.03bBIOS/CSM onlyNoNoYesany x86-64166.2.0, 6.2.3 ok, 6.2.1/6.2.2 notrecommended for new installs*
 DS3615xs6.2.0 to
6.2.3-25426
1.03bBIOS/CSMNoNoYesany x86-6486.2.0, 6.2.3 ok, 6.2.1/6.2.2 notrecommended for new installs*
           
 DS916+6.0.3 to 6.1.71.02bUEFI, BIOS/CSMYesNoNoHaswell **8obsolete, use DS918+ instead
 DS3617xs6.0.3 to 6.1.61.02bUEFI, BIOS/CSMNoNoYesany x86-64166.1.7 may kernel panic on ESXi
4DS3615xs6.0.3 to 6.1.71.02bUEFI, BIOS/CSMNoNoYesany x86-648best compatibility on 6.1.x
           
 DS3615xs6.0 to 6.0.21.01UEFI, BIOS/CSMNoNo any x86-64 obsolete

* 6.2.1 and 6.2.2 have a unique kernel signature causing issues with most kernel driver modules, including those included in the loader. Hardware compatibility is limited.

** FMA3 instruction support required. All Haswell Core processors or later support it.  Only a select few Pentium, and no Celeron CPUs do.

** Piledriver is believed to be the minimum AMD CPU architecture to support the DS916+ and DS918+ DSM platforms.

*** If you need an MBR version of the boot loader because your system does not support a modern boot methodology, follow this procedure.

CURRENT LOADER/PLATFORM RECOMMENDATIONS/SAMPLE DECISION POINTS:

1. DEFAULT install DS918+ 6.2.3 - also if hardware transcoding or NVMe cache support is desired, or if your system only support UEFI boot

  • Prerequisite: Intel Haswell (aka 4th generation) or newer CPU architecture (or AMD equivalent) 
  • Configuration: baremetal loader 1.04b, DSM platform DS918+ version 6.2.3
  • Compatibility troubleshooting options: extra.lzma or ESXi

2. ALTERNATE install DS3617xs 6.2.3 - if RAIDF1, 16-thread or best SAS support is desired, or your CPU is too old for DS918+

  • Prerequisite: USB key boot mode must be set to BIOS/CSM/Legacy Boot
  • Configuration: baremetal loader 1.03b, DSM platform DS3617xs version 6.2.3
  • Compatibility troubleshooting options: extra.lzma, DS3615xs platform, or ESXi

3. ESXi (or other hypervisor) virtual machine install - generally, if hardware is unsupported by DSM but works with a hypervisor

  • Prerequisites: ESXi hardware compatibility, free or paid ESXi 6.x or 7.x license
  • Use case examples: virtualize unsupported NIC, virtualize SAS/NVMe disks and present as SATA, run other ESXi VM's instead of Synology VMM
  • Option 3a: 1.04b loader, DSM platform DS918+ version 6.2.3
  • Option 3b: 1.03b loader, DSM platform DS3617xs version 6.2.3 (VM must be set to BIOS Firmware)
  • Preferred configurations: passthrough SATA controller and disks, and/or configure RDM/RAW disks

4. FALLBACK install DS3615xs 6.1.7 - if you can't get anything else to work

  • Prerequisite: none
  • Configuration: baremetal loader 1.02b, DSM platform DS3615xs version 6.1.7

SPECIAL NOTE for Intel 8th generation+ (Coffee Lake, Comet Lake, Ice Lake, etc.) motherboards with embedded Intel network controllers:

Each time Intel releases a new chipset, it updates the PCI id for the embedded NIC. This means there is a driver update required to support it, which may or may not be available with an extra.lzma update. Alternatively, disable the onboard NIC and install a compatible PCIe NIC such as the Intel CT gigabit card.

LoaderPlatformDSM versionKernelDSM /dev/dri supportDSM NVMe cache supportBoot methodNIC 6.2.1+CPU Requirement
1.04bDS9186.2+4.4YesYesEFI or Legacy BIOSn/aHaswell equivalent or later
1.03bDS3615 or
DS3617
6.2+3.10NoNoLegacy BIOS onlyIntel (baremetal)
e1000e (ESXi)
Sandy bridge equivalent or later
1.02bDS9166.0.3 to 6.1.73.10YesNoEFI or Legacy BIOSn/aSandy bridge equivalent or later
1.02bDS36156.0.3 to 6.1.73.10NoNoEFI or Legacy BIOSn/aSandy bridge equivalent or later
1.02bDS36176.0.3 to 6.1.6*3.10NoNoEFI or Legacy BIOSn/aSandy bridge equivalent or later
1.01DS916 or
DS3615 or
DS3617
6.0 to 6.0.23.10NoNoEFI or Legacy BIOSn/aSandy bridge equivalent or later

* 6.1.7 on DS3617 is incompatible with ESXi installation

NOTE: Recent reports have indicated that Westmere (Xeon family development from Nehalem) is functional on loader versions prior to 1.04b. That may imply that Nehalem will work everywhere that Sandy Bridge is reported to work, but this is unverified. Note that Synology did not release a 64-bit Nehalem-derived DiskStation, which is why Sandy Bridge was selected as the earliest compatible microarchitecture.  If you have a Nehalem chip running any 6.x-compatible loader, please advise.

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